An electron collides with an atom in its ground state. The atom then emits a photon of energy \(E_{\text {photon }}\). In this process the change \(\Delta E_{\text {elec }}\) in the electron's energy is A. Greater than \(E_{\text {photon }}\).

B. Greater than or equal to \(E_{\text {photon }}\).

C. Equal to \(E_{\text {photon }}\).

D. Less than or equal to \(E_{\text {photon }}\).

E. Less than \(E_{\text {photon }}\).